Danny Finn

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We explore the question of when learning improves the performance of opportunistic dynamic channel selection by characterizing the primary user (PU) activity using the concept of Lempel-Ziv complexity. We evaluate the effectiveness of a reinforcement learning algorithm by testing it with real spectrum occupancy data collected in the GSM, ISM, and DECT(More)
This paper reports experimental results comparing the performance of four platforms employed in spectrum sensing and dynamic spectrum access research: a sensing engine developed at imec and built around a prototype RFIC; the Universal Software Radio Peripheral (USRP) with the Iris software defined radio (SDR) solution; the TelosB sensor network platform;(More)
Through massive deployment of additional small cell infrastructure, Dense Small cell Networks (DSNs) are expected to help meet the foreseen increase in traffic demand on cellular networks. Performance assessment of architectural and protocol solutions tailored to DSNs will require system and network level simulators that can appropriately model the complex(More)
Coexistence between radar systems and low-power broadband devices has recently become a focus of research by regulators, industry and academic bodies, with the possibility of sharing the 3.5 GHz band indicated by the Federal Communications Commission (FCC) in 2012. Radar bands are seen as attractive candidates for Dynamic Spectrum Access (DSA) due to the(More)
It was demonstrated that the addition of high concentrations of the chaotrope, sodium trichloroacetate, to proteinase assays provided for a dissociation of proteinase-inhibitor complexes. The complexes evaluated contained a heat-stable, polypeptide inhibitor of cysteine proteinases isolated from the cellular slime mold, Dictyostelium discoideum. The(More)
This paper presents switched MultiElement Antennas (MEAs) as a simple, yet effective, method of enhancing the performance of small cell heterogeneous networks and compensating for the small cell base station sub-optimal placement. The switched MEA system is a low-cost system which enables the small cell to dynamically direct its transmission power toward(More)
In Western blotting procedures, proteins are resolved in sodium dodecyl sulfate-polyacrylamide gels with subsequent electrophoretic transfer onto nitrocellulose membranes. Although this procedure is generally employed as an analytical technique for assessing interactions of proteins with antibodies, the present report describes the use of Western blotting(More)